package day1213;

/**
 * Author     :Dsi
 * Date       : 2021/12/13 9:38
 * Description:
 */
public class Demo01 {


}
class An{
    private An(){};
    private An name;
    private An age;
    private void name(){};
    private String id(){
        return "123";
    }
    public An get(){
        return new An();
    }
}